Math 1314 SA Test 3 Review

is the function graphed one-to-one?

• No, because each x-value corresponds to every y-value, and each y-value corresponds to every x-value.

• Yes, every horizontal line intersects the graph at exactly one point.

• No, there is a horizontal line that intersects the graph at more than one point.

• Yes, because each x-value corresponds to only one y-value, and each y-value corresponds to only one x-value.

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Mathematical Equivalence

OFF

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

Find the future value and interest earned if $8706.54 is invested
for 7 years at 4% compounded semiannually.

• Future Value: 14,269.64

  Interest: 2,781.55

• Future Value: 11,488.09

  Interest: 2,781.55

• Future Value: 2,781.55

  Interest: 11,488.09

• Future Value:11,488.09

  Interest: 14,269.64

Find the present value that will grow to $5000 if the annual interest rate is 4.5% compounded quarterly for 6 years. (Round your answer to the nearest cent.)

Mathematical Equivalence

ON

Bank A is lending money at 6.7% interest compounded monthly. The rate at Bank B is 6.75% compounded quarterly, and the rate at Bank C is 6.8% compounded annually. Which bank will you pay the least interest?

• Bank A

• Bank B

• Bank C